Types
Features
Monuments
Famous Monuments
Sculpture
Famous Sculptures
Pictographs
Petroglyphs
Figurines
Fossils
Phyllite, Schist, and Slate
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
Borolanite and Litchfieldite
Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Dissolves in hydrochloric acid, Is one of the oldest rock